<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var obj = {
            name: 'lemon',
            age: 18,
            gender: '女'
        }
        var { name, age, gender } = obj
       

        var obj1 = {
            ...obj,
            hobby: 'reading'
        }

    </script>
</body>
</html>